I installed the MGSL in my G35 and got some range time today, although I was limited to about 25 minutes. I shot 100 rounds of .40, so really the initial break in rounds. My groups were ok, 2-3" at first, then they began to shift right. I found the rear adjustible Glock sight on this G35 is loose (I purchased the gun used a couple of weeks ago), causing my groups to be inconsistent. This makes accuracy testing moot at this point. I experienced no change in operation with the addition of the MGSL, the Glock ran like a sewing machine.

Is it possible to get one of the MGSL in a tighter than normal tolerance, so that I can custom fit it myself? Of course some gunsmithing experience will be required, but I dont mine. Please let me know if this is possible and also ordering instructions and price. Thanks!

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No sir, sorry. If you wish to get one anyway, email me at Grhm458@cs.com or just PM me here and I will send you ordering instructions.

Well just got back from the range and have to say my MGSL is broken in. Was able to put 6 rds in a single jagged hole at 7 yds and keep 6 rounds inside of X ring at 25 yds (Shooting a G21SF). This is a great addition to any Glock and I highly recommend at least trying one if you are on the fence. Mr. Graham is a great guy to deal with and i received mine within 3 days of ordering. Thanks again for a great product!

A quick note about shipping - Normally, orders are shipped out the next day. However, if I receive an order on a Friday, the order will be sent out the following Monday. I always use priority US mail with delivery conformation. I have no problem with emailling a person telling them a order has shipped or giving out a tracking number if it is requested, but once it is shipped I cannot make it get to you any faster. Typically, an order takes 3 to 4 days to be received once it is mailed out.

Using Speer Lawman 124gr +P 9mm (agency issue training ammo), my groups at 15 and 25 yards have been cut almost in half.

I'm sure these results are not typical, and I considered my G26 typically accurate before installing it. But now, it's a tack driver. I was on-target as easily using my G26 at 25 yards as I was using my issued G21!

Because .40 is typically the least accurate of all the cartridges Glock chambers their pistols for.

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Speaking of accuracy, have you gotten any feedback on use of your MGSL in a G37? (In my experience, the .45 GAP G37 and .45 ACP G21SF are quite accurate out of the box, but improvement is always desirable, where use of an aftermarket part is legal.)

Speaking of accuracy, have you gotten any feedback on use of your MGSL in a G37? (In my experience, the .45 GAP G37 and .45 ACP G21SF are quite accurate out of the box, but improvement is always desirable, where use of an aftermarket part is legal.)

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Very little, Mr. Newport. I don't own a Glock chambered in .45 GAP myself, and I can count on the fingers of one hand the number of orders I have received by .45 GAP shooters. However, a large number of folks who shoot .45 ACP caliber Glocks have given me very good feedback.

Well, I could say that I start with a forged block of rare unattainium, and use magical light to cut the blank, which is then carefully machined and surface ground under a full moon with many mumbled incantations, and heat treated with molten sulfur obtained from the ninth circle of hell .

but that wouldnt be true.

The MGSL works by consistently positioning the barrel from shot to shot.

Well, I could say that I start with a forged block of rare unattainium, and use magical light to cut the blank, which is then carefully machined and surface ground under a full moon with many mumbled incantations, and heat treated with molten sulfur obtained from the ninth circle of hell .

but that wouldnt be true.

The MGSL works by consistently positioning the barrel from shot to shot.

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